Another opportunity you might consider is connecting with venture capital or private equity firm partners. They are constantly monitoring their portfolio of companies and at anytime may want to bring in someone with your significant experience to help scale their startups.
Outside of technology, most companies usually find executives through their network - it's the safest way to be relatively assured that they won't be hiring wrong. If you're not into networking at a large scale, what about taking people out for coffee 1:1 and build the relationship that way?
Another avenue you could try is cold-calling another executive and essentially selling yourself: https://www.forbes.com/sites/susanadams/2014/04/22/how-cold-...
Outside of technology, most companies usually find executives through their network - it's the safest way to be relatively assured that they won't be hiring wrong. If you're not into networking at a large scale, what about taking people out for coffee 1:1 and build the relationship that way?